Polished De Grussa copper ore slab CO107 outback jasper Dimensions at widest points approximately

Dimensions at widest points approximately 160 mm x 120 mm x  11 mm thick

McGrath Formation" which has an age of close to 2 billion years

Dimensions at widest points approximately 80 mm x 70 mm

Weight is 151 grams

It occurs in the Proterozoic Mount Bruce Supergroup which is part of the Fortescue Group with an age of approx

Polished De Grussa copper ore slab CO107 outback jasper Dimensions at widest points approximatelyCO107 DeGrussa copper ore slab, polished on one side. A mix of copper minerals that formed in the upper oxidised zone. This piece has a lot of native copper ! Dimensions at widest points approximately 80 mm x 70 mm x 8 mm thick. Weighs: 145 grams A mix of copper minerals that formed in the upper oxidised zone. The Degrussa underground mine is a high grade copper deposit in Western Australia that commenced operation in 2012 and ceased mining in 2022.